Smart home application, lighting/temperature/air flow control are easily implemented without the delay and dependency of the Cloud. In kitchen, one can control appliances without having to wash off the dirt or grease from one’s hands. In bedroom, bathroom or shower, where privacy is essential, our non-invasive solution is particularly attractive. For any appliances, white goods placed out of reach of the Web, our smart control would still work. Precision remote control can also be implemented as a part of home entertainment center.